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Operating Instructions
Chapter 7
ICR845-2
Maintenance
8012377/0000/2008-01-30
©
SICK AG · Division Auto Ident · Germany · All rights reserved
101
7
Maintenance
7.1
Maintenance during operation
The ICR845-2 operates maintenance free. Maintenance is not required to ensure compli-
ance with LED class 1.
Important
Do not open the housing of the ICR845-2. If the device is opened, the SICK AG warranty
shall not apply.
Any faults or malfunctions are listed as error codes in the error memory of the ICR845-2.
They can be requested using command strings.
7.2
Cleaning the ICR845-2
Recommendation
In order to make use of the full optical reading capacity of the ICR845-2, the reading window
should be checked regulary (e.g. weekly) for soiling. This is especially recommended when
operting the device in harsh conditions (dust, abraison, humidity, finger prints, etc.)
7.2.1
Cleaning the reading window of the ICR845-2
LED radiation!
The illumination of the ICR845-2 operates with LEDs of LED class 1.
Under normal and sensible conditions, the accessible radiation of the LEDs is not hazard-
ous. Blinding, impairment of ability to see color, or other irritations, however cannot be ex-
cluded.
The entire area of the reading window acts as a LED outlet aperture.
Caution – use of controls or adjustments or performance of procedures other than those
specified herein may result in hazardous radiation exposure.
Never look directly into the illumination.
Do not open the housing.
(Opening the housing does not deactivate the LEDs by the reading pulse.)
Always observe the latest valid version of laser protection regulations.
Damage to the reading window!
Scratches and streaks on the window will reduce the reading performance.
The reading window is made of plastic.
Do not use aggressive cleaning agents.
Do not use cleaning agents which cause increased abrasion (e.g. powder).
Cleaning the reading window:
Important
Electrostatic charges cause dust particles to stick to the reading window. This effect can be
combated by using anit-static SICK synthetic cleaner (no. 5600006) in combination with a
SICK lens cloth (no. 4003353).